Why are the North Atlantic, North Pacific, and Antarctic waters the most productive?
A. The melt waters of the nearby ice have nutrients that are released in high quantities, fertilizing the phytoplankton.
B. Cold water holds the most dissolved oxygen and can therefore support greater numbers of phytoplankton.
C. Those waters are the most violently mixed, bringing up nutrients from the depths of the ocean.
D. Phytoplankton grow there because they do not like direct sunlight.
Answer: B
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Which of the following is NOT a focus of environmental governance?
A. How we charge those responsible for violating environmental laws B. How we negotiate trade-offs between conflicting uses or values C. How we value ecosystems D. How we make sure the costs and benefits of our decisions are equitably shared E. How we form environmental policies
Which of the following is NOT considered good seismic design?
a. installing steel reinforcing rods in concrete structures b. bolting frame houses to the foundation c. nailing plywood sheeting over a wood frame d. attaching wall framing to the sill with metal L braces e. mixing cement with as much sand as possible
What is the tornado intensity scale based upon?
A. Wind speed B. Damage caused C. Tornado size
The process by which sediments are converted to sedimentary rocks is called
A. metamorphosis. B. diagenesis. C. crystallization. D. lithification.